Greater Atlanta Area Network

Chicago Metro Area Network

Dallas/Fort Worth Area Network

Detroit Metro Area Network

Houston Metro Area Network

Las Vegas Metro Area Network

Los Angeles Metro Area Network

Memphis Metro Area Network

Miami / Southeastern Florida Area Network

New York Tri-State Area Network
 
Boston Greater Metro Area / New Hampshire / Rhode Island Network

Philadelphia / Wilmington / Trenton Metro Area Network

Phoenix Metro Area Network

San Francisco Bay Area Network

St. Louis Metro Area Network

Minneapolis / St. Paul Metro Area Network

Tampa / Orlando Area Network

Washington D.C. / Baltimore Metro Area Network

Click below links to view coverage on provider's sites:

United States

(GSM Digital Coverage Map)
 

Canada

(GSM Digital Coverage Map)

AlarmNet-M Network

United States

(National Coverage Map)

Canada
(Select Wireless Network: 'Mobitex' and Coverage Area)